Cyperus esculentus vs rush nut

Cyperus esculentus and rush nut both are nouns.

Word	Noun	Adjective	Verb	Adverb
Cyperus esculentus	Yes	No	No	No
rush nut	Yes	No	No	No

As nouns, Cyperus esculentus and rush nut are synonyms defined as:

Cyperus esculentus and rush nut: European sedge having small edible nutlike tubers

Other synonyms of Cyperus esculentus include chufa, earth almond, ground almond, yellow nutgrass.

Cyperus esculentus (noun)	rush nut (noun)
European sedge having small edible nutlike tubers	European sedge having small edible nutlike tubers